A cylindrical item with or without flange(s), designed to be inserted in a pump casing or secured to the impeller of a centrifugal pump. It is used for the purpose of providing a close running clearance between the impeller and casing in order to prevent or overcome leakage due to erosion. It may also be used as a diffuser ring in the suction and discharge throats of valves.
Classification: Parts, nesoi, of pumps for liquids
NSN 5915-00-249-1641
NSN 5985-00-373-7054
NSN 5998-01-104-1767
NSN 6240-01-271-2222
NSN 5960-01-103-5358
NSN 5965-01-109-2917
NSN 5950-01-377-5006
NSN 5998-01-562-7139
NSN 5835-01-045-3371
NSN 4140-01-258-9526
NSN 6150-01-195-8166
NSN 6145-01-586-2477